Section 2 3rd Period Psychology

5 Stages of Sleep Stage of lightest sleep Eye movement stops an brain waves become slower with occasional burst of rapid brain waves Extremely slow brain waves called delta waves Brain produces delta waves almost exclusively REM Sleep is when our eyes are moving rapidly Stage of lightest sleep Eye movement stops an brain waves become slower with occasional burst of rapid brain waves Extremely slow brain waves called delta waves Brain produces delta waves almost exclusively REM Sleep is when our eyes are moving rapidly

Sleep Problems Insomnia- inablitliy to sleep Sleepwalking- may roam almost all night Sleep apnea- breathing interruption that occurs during sleep Narcolepsy- rare sleep problem where people fall asleep with no regard to the time or place can be fixed with drugs an naps believed to be created by a genetic disorder Insomnia- inablitliy to sleep Sleepwalking- may roam almost all night Sleep apnea- breathing interruption that occurs during sleep Narcolepsy- rare sleep problem where people fall asleep with no regard to the time or place can be fixed with drugs an naps believed to be created by a genetic disorder

Why do we sleep? Sleep revives the tired body Builds resistance to infection Recover from stress Sleep revives the tired body Builds resistance to infection Recover from stress

Sleep Deprivation Irritability Speech difficulties Memory lapses Irritability Speech difficulties Memory lapses

Dreams Some dreams seem realistic while others are disorganized and seem less real. During REM sleep, dreams are most likely to have clear imagery and plots that make sense. During NREM sleep, plots are more vague and images are more fleeting Some dreams seem realistic while others are disorganized and seem less real. During REM sleep, dreams are most likely to have clear imagery and plots that make sense. During NREM sleep, plots are more vague and images are more fleeting

Freudian View Sigmund Freud stated that dreams reflect a person’s unconscious wishes and urges Some unconscious wishes may be unacceptable, even painful Freued said that people can dream in symbols “symbolic dreams” give people a way yo deal with painful material that cannot be dealt with consciously Sigmund Freud stated that dreams reflect a person’s unconscious wishes and urges Some unconscious wishes may be unacceptable, even painful Freued said that people can dream in symbols “symbolic dreams” give people a way yo deal with painful material that cannot be dealt with consciously

Biopsychological Approach Some psychologists believe that dreams begin with biological activities. Explores why people dream about evnts that took place earlier in the day. Brain tries to make sense of the dreams Weaves a story: the dream Some psychologists believe that dreams begin with biological activities. Explores why people dream about evnts that took place earlier in the day. Brain tries to make sense of the dreams Weaves a story: the dream

Sleep Sleep defines as a condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended. Without sleep, we as humans would not be able to accomplish anything in life. Sleep allows us to regain energy in order to take on various obstacles throughout the day. Sleep defines as a condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended. Without sleep, we as humans would not be able to accomplish anything in life. Sleep allows us to regain energy in order to take on various obstacles throughout the day.